Press Release – July, 2016. TDDS Transdermal Delivery Systems are being successfully developed, scaled up and produced by pharmaceutical firms and the Federal Drug Administration on Procast and Labcast Tape Casting Machines supplied by HED International, Inc. The TDDS patch and tape products are branded drugs and generics which avoid first pass metabolism which can result in greater drug bioavailability. Procast’s precision controlled casting, polymer web conveying and convection drying capability enables the integration of adhesives and drug components into a single, simple drug delivery system. Lamination of the polymer carrier and back up strips are done ready for die cutting and packaging. HED has the proven experience, product quality and service needed to successfully develop and commercialize many engineered biomedical materials and products.